spa gas detector direct from Wanlin Fire Protection — 12-year factory experience, WL-GA201 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Semiconductor Gas Sensor + NB-IoT Cellular Communication + Ultra-Low Power Design, NB-IoT + Cloud Platform + SMS/Push/Email Alerts + Low-Power Wide Area + Remote Valve Control. Catalytic/infrared sensor, sole···
low battery alert direct from Wanlin Fire Protection — 12-year factory experience, WL-HK600 fully certified CE/FCC/RoHS. Key specs: 4G/WiFi/Zigbee Hub wireless, 5s alert push via APP/SMS/Call/Email/Siren, AC Hub + Battery Sensors
cabinet latch status indicator direct from Wanlin Fire Protection — 12-year factory experience, WL-HK600 fully certified CE/FCC/RoHS. Key specs: 4G/WiFi/Zigbee Hub wireless, 5s alert push via APP/SMS/Call/Email/Siren, AC Hub + Battery Sensors
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